Mathematics 0580 · IGCSE · Probability of combined events
Probability of combined events — practice question
The diagram illustrates two card sets.
Set A includes: 1, 1, 2, 2, 2.
Set B includes: 0, 1, 1, 1, 2.
(a(i))[3]
Jojo picks two cards at random from Set A without replacement. Find the probability that the two cards have the same number.
(a(ii))[3]
Find the probability that the two cards match in number.
(a(iii))[1]
Who is most likely to pick two cards with the same number? Show all your working.
(b)[3]
Find the probability that the third card selected is a 4.
Worked solution & mark scheme
This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Accurate probability calculation with $\frac{8}{20}$” …